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ruby/enc/trans/utf_16_32.trans

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#include "transcode_data.h"
<%
map = {}
map["{00-ff}{00-d7,e0-ff}"] = :func_so
map["{00-ff}{d8-db}{00-ff}{dc-df}"] = :func_so
transcode_generate_node(ActionMap.parse(map), "from_UTF_16LE")
map = {}
map["{00-ff}{00-d7,e0-ff}0000"] = :func_so
map["{00-ff}{00-ff}{01-10}00"] = :func_so
transcode_generate_node(ActionMap.parse(map), "from_UTF_32LE")
map = {}
map["{00-d7,e0-ff}{00-ff}"] = :func_so
map["{d8-db}{00-ff}{dc-df}{00-ff}"] = :func_so
transcode_generate_node(ActionMap.parse(map), "from_UTF_16BE")
map = {}
map["0000{00-d7,e0-ff}{00-ff}"] = :func_so
map["00{01-10}{00-ff}{00-ff}"] = :func_so
transcode_generate_node(ActionMap.parse(map), "from_UTF_32BE")
map = {}
map["{00-ff}{00-ff}"] = :func_si
transcode_generate_node(ActionMap.parse(map), "from_UTF_16")
map = {}
map["{00-ff}{00-ff}{00-ff}{00-ff}"] = :func_si
transcode_generate_node(ActionMap.parse(map), "from_UTF_32")
map = {}
map["{00-7f}"] = :func_so
map["{c2-df}{80-bf}"] = :func_so
map["e0{a0-bf}{80-bf}"] = :func_so
map["{e1-ec}{80-bf}{80-bf}"] = :func_so
map["ed{80-9f}{80-bf}"] = :func_so
map["{ee-ef}{80-bf}{80-bf}"] = :func_so
map["f0{90-bf}{80-bf}{80-bf}"] = :func_so
map["{f1-f3}{80-bf}{80-bf}{80-bf}"] = :func_so
map["f4{80-8f}{80-bf}{80-bf}"] = :func_so
am = ActionMap.parse(map)
transcode_generate_node(am, "from_UTF_8")
%>
<%= transcode_generated_code %>
static ssize_t
fun_so_from_utf_16be(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!s[0] && s[1]<0x80) {
o[0] = s[1];
return 1;
}
else if (s[0]<0x08) {
o[0] = 0xC0 | (s[0]<<2) | (s[1]>>6);
o[1] = 0x80 | (s[1]&0x3F);
return 2;
}
else if ((s[0]&0xF8)!=0xD8) {
o[0] = 0xE0 | (s[0]>>4);
o[1] = 0x80 | ((s[0]&0x0F)<<2) | (s[1]>>6);
o[2] = 0x80 | (s[1]&0x3F);
return 3;
}
else {
unsigned int u = (((s[0]&0x03)<<2)|(s[1]>>6)) + 1;
o[0] = 0xF0 | (u>>2);
o[1] = 0x80 | ((u&0x03)<<4) | ((s[1]>>2)&0x0F);
o[2] = 0x80 | ((s[1]&0x03)<<4) | ((s[2]&0x03)<<2) | (s[3]>>6);
o[3] = 0x80 | (s[3]&0x3F);
return 4;
}
}
static ssize_t
fun_so_to_utf_16be(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!(s[0]&0x80)) {
o[0] = 0x00;
o[1] = s[0];
return 2;
}
else if ((s[0]&0xE0)==0xC0) {
o[0] = (s[0]>>2)&0x07;
o[1] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
return 2;
}
else if ((s[0]&0xF0)==0xE0) {
o[0] = (s[0]<<4) | ((s[1]>>2)^0x20);
o[1] = (s[1]<<6) | (s[2]^0x80);
return 2;
}
else {
int w = (((s[0]&0x07)<<2) | ((s[1]>>4)&0x03)) - 1;
o[0] = 0xD8 | (w>>2);
o[1] = (w<<6) | ((s[1]&0x0F)<<2) | ((s[2]>>4)-8);
o[2] = 0xDC | ((s[2]>>2)&0x03);
o[3] = (s[2]<<6) | (s[3]&~0x80);
return 4;
}
}
static ssize_t
fun_so_from_utf_16le(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!s[1] && s[0]<0x80) {
o[0] = s[0];
return 1;
}
else if (s[1]<0x08) {
o[0] = 0xC0 | (s[1]<<2) | (s[0]>>6);
o[1] = 0x80 | (s[0]&0x3F);
return 2;
}
else if ((s[1]&0xF8)!=0xD8) {
o[0] = 0xE0 | (s[1]>>4);
o[1] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
o[2] = 0x80 | (s[0]&0x3F);
return 3;
}
else {
unsigned int u = (((s[1]&0x03)<<2)|(s[0]>>6)) + 1;
o[0] = 0xF0 | u>>2;
o[1] = 0x80 | ((u&0x03)<<4) | ((s[0]>>2)&0x0F);
o[2] = 0x80 | ((s[0]&0x03)<<4) | ((s[3]&0x03)<<2) | (s[2]>>6);
o[3] = 0x80 | (s[2]&0x3F);
return 4;
}
}
static ssize_t
fun_so_to_utf_16le(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!(s[0]&0x80)) {
o[1] = 0x00;
o[0] = s[0];
return 2;
}
else if ((s[0]&0xE0)==0xC0) {
o[1] = (s[0]>>2)&0x07;
o[0] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
return 2;
}
else if ((s[0]&0xF0)==0xE0) {
o[1] = (s[0]<<4) | ((s[1]>>2)^0x20);
o[0] = (s[1]<<6) | (s[2]^0x80);
return 2;
}
else {
int w = (((s[0]&0x07)<<2) | ((s[1]>>4)&0x03)) - 1;
o[1] = 0xD8 | (w>>2);
o[0] = (w<<6) | ((s[1]&0x0F)<<2) | ((s[2]>>4)-8);
o[3] = 0xDC | ((s[2]>>2)&0x03);
o[2] = (s[2]<<6) | (s[3]&~0x80);
return 4;
}
}
static ssize_t
fun_so_from_utf_32be(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!s[1]) {
if (s[2]==0 && s[3]<0x80) {
o[0] = s[3];
return 1;
}
else if (s[2]<0x08) {
o[0] = 0xC0 | (s[2]<<2) | (s[3]>>6);
o[1] = 0x80 | (s[3]&0x3F);
return 2;
}
else {
o[0] = 0xE0 | (s[2]>>4);
o[1] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
o[2] = 0x80 | (s[3]&0x3F);
return 3;
}
}
else {
o[0] = 0xF0 | (s[1]>>2);
o[1] = 0x80 | ((s[1]&0x03)<<4) | (s[2]>>4);
o[2] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
o[3] = 0x80 | (s[3]&0x3F);
return 4;
}
}
static ssize_t
fun_so_to_utf_32be(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
o[0] = 0;
if (!(s[0]&0x80)) {
o[1] = o[2] = 0x00;
o[3] = s[0];
}
else if ((s[0]&0xE0)==0xC0) {
o[1] = 0x00;
o[2] = (s[0]>>2)&0x07;
o[3] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
}
else if ((s[0]&0xF0)==0xE0) {
o[1] = 0x00;
o[2] = (s[0]<<4) | ((s[1]>>2)^0x20);
o[3] = (s[1]<<6) | (s[2]^0x80);
}
else {
o[1] = ((s[0]&0x07)<<2) | ((s[1]>>4)&0x03);
o[2] = ((s[1]&0x0F)<<4) | ((s[2]>>2)&0x0F);
o[3] = ((s[2]&0x03)<<6) | (s[3]&0x3F);
}
return 4;
}
static ssize_t
fun_so_from_utf_32le(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
if (!s[2]) {
if (s[1]==0 && s[0]<0x80) {
o[0] = s[0];
return 1;
}
else if (s[1]<0x08) {
o[0] = 0xC0 | (s[1]<<2) | (s[0]>>6);
o[1] = 0x80 | (s[0]&0x3F);
return 2;
}
else {
o[0] = 0xE0 | (s[1]>>4);
o[1] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
o[2] = 0x80 | (s[0]&0x3F);
return 3;
}
}
else {
o[0] = 0xF0 | (s[2]>>2);
o[1] = 0x80 | ((s[2]&0x03)<<4) | (s[1]>>4);
o[2] = 0x80 | ((s[1]&0x0F)<<2) | (s[0]>>6);
o[3] = 0x80 | (s[0]&0x3F);
return 4;
}
}
static ssize_t
fun_so_to_utf_32le(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
o[3] = 0;
if (!(s[0]&0x80)) {
o[2] = o[1] = 0x00;
o[0] = s[0];
}
else if ((s[0]&0xE0)==0xC0) {
o[2] = 0x00;
o[1] = (s[0]>>2)&0x07;
o[0] = ((s[0]&0x03)<<6) | (s[1]&0x3F);
}
else if ((s[0]&0xF0)==0xE0) {
o[2] = 0x00;
o[1] = (s[0]<<4) | ((s[1]>>2)^0x20);
o[0] = (s[1]<<6) | (s[2]^0x80);
}
else {
o[2] = ((s[0]&0x07)<<2) | ((s[1]>>4)&0x03);
o[1] = ((s[1]&0x0F)<<4) | ((s[2]>>2)&0x0F);
o[0] = ((s[2]&0x03)<<6) | (s[3]&0x3F);
}
return 4;
}
static int
state_init(void *statep)
{
unsigned char *sp = statep;
*sp = 0;
return 0;
}
static VALUE
fun_si_from_utf_16(void *statep, const unsigned char *s, size_t l)
{
#define BE 1
#define LE 2
unsigned char *sp = statep;
switch (*sp) {
case 0:
if (s[0] == 0xFE && s[1] == 0xFF) {
*sp = BE;
return ZERObt;
}
else if (s[0] == 0xFF && s[1] == 0xFE) {
*sp = LE;
return ZERObt;
}
break;
case BE:
if (s[0] < 0xD8 || 0xDF < s[0]) {
return (VALUE)FUNso;
}
else if (s[0] <= 0xDB) {
return (VALUE)from_UTF_16BE_D8toDB_00toFF;
}
break;
case LE:
if (s[1] < 0xD8 || 0xDF < s[1]) {
return (VALUE)FUNso;
}
else if (s[1] <= 0xDB) {
return (VALUE)from_UTF_16LE_00toFF_D8toDB;
}
break;
}
return (VALUE)INVALID;
}
static ssize_t
fun_so_from_utf_16(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
switch (*sp) {
case BE:
return fun_so_from_utf_16be(statep, s, l, o, osize);
case LE:
return fun_so_from_utf_16le(statep, s, l, o, osize);
}
return 0;
}
static VALUE
fun_si_from_utf_32(void *statep, const unsigned char *s, size_t l)
{
unsigned char *sp = statep;
switch (*sp) {
case 0:
if (s[0] == 0 && s[1] == 0 && s[2] == 0xFE && s[3] == 0xFF) {
*sp = BE;
return ZERObt;
}
else if (s[0] == 0xFF && s[1] == 0xFE && s[2] == 0 && s[3] == 0) {
*sp = LE;
return ZERObt;
}
break;
case BE:
if (s[0] == 0 && ((0 < s[1] && s[1] <= 0x10) ||
(s[1] == 0 && (s[2] < 0xD8 || 0xDF < s[2]))))
return (VALUE)FUNso;
break;
case LE:
if (s[3] == 0 && ((0 < s[2] && s[2] <= 0x10) ||
(s[2] == 0 && (s[1] < 0xD8 || 0xDF < s[1]))))
return (VALUE)FUNso;
break;
}
return (VALUE)INVALID;
}
static ssize_t
fun_so_from_utf_32(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
switch (*sp) {
case BE:
return fun_so_from_utf_32be(statep, s, l, o, osize);
case LE:
return fun_so_from_utf_32le(statep, s, l, o, osize);
}
return 0;
}
static ssize_t
fun_so_to_utf_16(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
if (*sp == 0) {
*o++ = 0xFE;
*o++ = 0xFF;
*sp = 1;
return 2 + fun_so_to_utf_16be(statep, s, l, o, osize);
}
return fun_so_to_utf_16be(statep, s, l, o, osize);
}
static ssize_t
fun_so_to_utf_32(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
if (*sp == 0) {
*o++ = 0x00;
*o++ = 0x00;
*o++ = 0xFE;
*o++ = 0xFF;
*sp = 1;
return 4 + fun_so_to_utf_32be(statep, s, l, o, osize);
}
return fun_so_to_utf_32be(statep, s, l, o, osize);
}
static const rb_transcoder
rb_from_UTF_16BE = {
"UTF-16BE", "UTF-8", from_UTF_16BE,
TRANSCODE_TABLE_INFO,
2, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_from_utf_16be
};
static const rb_transcoder
rb_to_UTF_16BE = {
"UTF-8", "UTF-16BE", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_16be
};
static const rb_transcoder
rb_from_UTF_16LE = {
"UTF-16LE", "UTF-8", from_UTF_16LE,
TRANSCODE_TABLE_INFO,
2, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_from_utf_16le
};
static const rb_transcoder
rb_to_UTF_16LE = {
"UTF-8", "UTF-16LE", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_16le
};
static const rb_transcoder
rb_from_UTF_32BE = {
"UTF-32BE", "UTF-8", from_UTF_32BE,
TRANSCODE_TABLE_INFO,
4, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_from_utf_32be
};
static const rb_transcoder
rb_to_UTF_32BE = {
"UTF-8", "UTF-32BE", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_32be
};
static const rb_transcoder
rb_from_UTF_32LE = {
"UTF-32LE", "UTF-8", from_UTF_32LE,
TRANSCODE_TABLE_INFO,
4, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_from_utf_32le
};
static const rb_transcoder
rb_to_UTF_32LE = {
"UTF-8", "UTF-32LE", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_32le
};
static const rb_transcoder
rb_from_UTF_16 = {
"UTF-16", "UTF-8", from_UTF_16,
TRANSCODE_TABLE_INFO,
2, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
1, state_init, NULL, /* state_size, state_init, state_fini */
NULL, fun_si_from_utf_16, NULL, fun_so_from_utf_16
};
static const rb_transcoder
rb_from_UTF_32 = {
"UTF-32", "UTF-8", from_UTF_32,
TRANSCODE_TABLE_INFO,
4, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_decoder, /* asciicompat_type */
1, state_init, NULL, /* state_size, state_init, state_fini */
NULL, fun_si_from_utf_32, NULL, fun_so_from_utf_32
};
static const rb_transcoder
rb_to_UTF_16 = {
"UTF-8", "UTF-16", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
1, state_init, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_16
};
static const rb_transcoder
rb_to_UTF_32 = {
"UTF-8", "UTF-32", from_UTF_8,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
4, /* max_input */
4, /* max_output */
asciicompat_encoder, /* asciicompat_type */
1, state_init, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_to_utf_32
};
TRANS_INIT(utf_16_32)
{
rb_register_transcoder(&rb_from_UTF_16BE);
rb_register_transcoder(&rb_to_UTF_16BE);
rb_register_transcoder(&rb_from_UTF_16LE);
rb_register_transcoder(&rb_to_UTF_16LE);
rb_register_transcoder(&rb_from_UTF_32BE);
rb_register_transcoder(&rb_to_UTF_32BE);
rb_register_transcoder(&rb_from_UTF_32LE);
rb_register_transcoder(&rb_to_UTF_32LE);
rb_register_transcoder(&rb_from_UTF_16);
rb_register_transcoder(&rb_to_UTF_16);
rb_register_transcoder(&rb_from_UTF_32);
rb_register_transcoder(&rb_to_UTF_32);
}
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